释义 |
wa.ter.mark PAPERH5wC:7tE7mB:k, $5wB:7tL7mB:rkn [C]a mark which is made on some types of paper during its production which can only be seen if it is held against the light(某些纸张上的)水印The watermark on a bank note is virtually invisible on a flat surface.钞票上的水印在平面上实际是看不到的。The unusual watermark on this stamp makes it particularly valuable.这枚邮票上不同寻常的水印使它尤其贵重。
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